Home / 893,347.72-1,232,818.90-485,448.59

Finding the Fourth Proportional to 893,347.72, 1,232,818.90 and 485,448.59

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Solution

The fourth proportional to 893,347.72, 1,232,818.90 and 485,448.59 is: 669,918.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,347.72 : 1,232,818.90 = 485,448.59 : x
  2. Step 2: Convert to fraction form
    893,347.72/1,232,818.90 = 485,448.59/x
  3. Step 3: Cross multiply
    893,347.72x = 1,232,818.90 × 485,448.59
  4. Step 4: Simplify right side
    893,347.72x = 598,470,198,598.78
  5. Step 5: Solve for x
    x = 598,470,198,598.78/893,347.72
  6. Step 6: Final answer
    x = 669,918.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.